For those who do not know an SD card usually identifies it's specs on the card -- here is what you are looking for on the card -- this like many things dealing with computer is confusing.
The SD card needs to be at marked at least a "UHS speed class" of 3 to be compatible with the Evo. This being said not all SD cards are equal in performance and your mileage will vary. Also the "confusing part" is SD cards are marked with a number -- with a circular or rectangular-ish outline -- and the numbers do not go in order. The card may or may not have these markings -- or on some cards -- they have just about any marking imaginable all saying the same thing.
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I myself went with a competitor card when getting a second one to have on hand... and it seems to work just like the original card that come with the Evo. No issues yet.
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SD cards marked with a "UHS speed class" of 1 or "Speed class" 10, I have not tried, as it would not be fast enough to keep up with 4K video. They should keep up with HD video and photos though.
I do not really know without popping one of my older class 1 or class 10 cards into the Evo and finding out.
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